SpaceX has committed $2 billion to xAI as part of a $5 billion equity round, deepening the ties between tech billionaire Elon Musk's ventures as his artificial intelligence startup races to compete with rival OpenAI,

A couple of weekends ago, Grok, the A.I. chatbot that runs across Elon Musk’s X social network, began calling itself “MechaHitler.”

“A lot of these kinds of biases will become subtler, but we have to keep our research ongoing to identify these kinds of problems and address them one after one,” Ashique KhudaBukhsh, an assistant pr...